Tender For Calibration Of Machineries And Apparatus At The Laboratory Of Road And Building Research Institute, P.W. (Roads) Directorate, Pailan Hat, Kolkata- 700104 For The Financial Year 2025-26, kolkata-West Bengal

Tender For Calibration Of Machineries And Apparatus At The Laboratory Of Road And Building Research Institute, P.W. (Roads) Directorate, Pailan Hat, Kolkata- 700104 For The Financial Year 2025-26- 1 Calibration for machineries / equipment of SOIL LAB:CBR Testing Machine,. (Proving ring with dial indicator.) 2 CBR Displacement dial indicator 3 Automatic proctor compactor apparatus (Heavy Compaction) (Height of fall, weight of Hammer.) 4 Casagrande apparatus (Height of fall) 5 Cone Penetrometer for liquid limit test (Height of fall, Surcharge weight.) 6 Digital Triaxial testing Lode cell indicator, Pressure Gauge, PWP gauge.) 7 Digital direct shear testing Machine (Lode cell indicator, Surcharge weight.) 8 Digital Consolidation Machine (Digital Displacement indicator, Surcharge weight.) 9 Digital unconfined compression testing machine. (Proving ring with 2 nos dial indicator) 10 Electric Oven (0to 400 deg. C) DTC 11 Digital Balance (30 kg) 12 Glass Thermometer (-20 to 250 deg. C) 13 Soil Hydrometer 14 Consolidation apparatus 15 Measuring cylinder (1000 ml) 16 Measuring cylinder (100 ml) 17 IS Sieve (200 mm dia) of sizes:i)2.00 mm 18 ii) 425 mic 19 iii) 75 mic 20 IS Sieve (450 mm dia) of sizes:i) 19 mm 21 ii) 12.5 mm 22 iii) 10 mm 23 iv) 6.5 mm 24 v) 4.75 mm 25 vi) 2 mm. 26 Calibration for machineries / equipment of CONCRETE LABAggregate Impact Value Apparatus (Height of fall, weight of Hammer.) 27 Los Angeles Abrasion testing machine (RPM, weight of Steel balls.) 28 Analog Compression Testing Machine (load cell) 29 Marshal stability and flow testing apparatus(load cell and SVDT) 30 Theoretical maximum specific gravity apparatus (Vacuum pressure) 31 Electrically operated bitumen extractor (RPM) 32 Asphalt mixture (DTC) 33 Electric Oven (400 deg. C) (DTC) 34 Digital Balance (800 g , Lc 0.01g) 35 Digital Tachometer 36 Glass Thermometer ( 0 to 50 deg. C) 37 Rebound Hammer 38 Apparatus for bulk unit weight and voids 39 Digital weighing balance (1g – 30kg) 40 Vicat apparatus 41 weight box (1 mg to 200 g) 42 steel scale (12) 43 elongation gauge 44 flakiness gauge 45 IS sieves of sizes:i) 75 mm 46 ii) 63 mm 47 iii) 53 mm 48 iv) 50 mm 49 v) 45 mm 50 vi) 40 mm 51 vii) 37.5 mm 52 viii) 31.5 mm 53 ix) 26.5 mm 54 x) 25 mm 55 xi) 22.4 mm 56 xii) 20 mm 57 xiii) 19 mm 58 xiv) 16 mm 59 xv) 13.2 mm 60 xvi) 12.5 mm 61 xvii) 11.2 mm 62 xviii) 10 mm 63 xix) 9.5 mm 64 xx) 8 mm 65 xxi) 6.3 mm 66 xxii) 4.75 mm 67 xxiii) 4 mm 68 xxiv) 2.36 mm 69 xxv) 1.7 mm 70 xxvi) 1.18 mm 71 xxvii) 850 micron 72 xxviii) 600 micron 73 xxix) 425 micron 74 xxx) 300 micron 75 xxxi) 150 micron 76 xxxii) 75 micron 77 Calibration for machineries / equipment UTM LABUniversal testing machine (UTM L/01) (Load cell)

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INR 4000.0 /-

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